1. Lithium Polymer Batteries
EXA technology status
Lithium Polymer Batteries
動能科技

2. Three major components
電池（心臟）
Battery, Heart
LCD (臉 Face)
IC（腦Brain）

3. Lithium ion battery V Anode Discharge Li+ transfer Cathode LiCoO2 MCMB
隔離膜

4. The principle of Lithium ion battery
Cathode 正極: LiCoO Li(1-x) CoO2+xLi+ +xe-
Anode 負極: C6 +xLi ++xe Lix C6
Charge
總反應: LiCoO2+C Li(1-x) CoO2+LixC6
Discharge

5. Electrodes voltage change on charging/ discharging status
Open Circuit Potential vs Li
C 3.0 V
LiC6 0.0 V
4.2V Li0.5CoO2
3.0V Li1.0CoO2

6. Voltage stability on LiCoO2

7. Various cathode materials for lithium ion battery

8. Thermal stability on various cathode materials

9. What parameter affect C-rate?
ESR= 0.03 ohm 3C
IR drop = 0.03*2A
= 0.06 V

10. Why low temperature voltage drop?

11. Safety of battery

12. Separator dimension stability on high temperature

13. Function of Separator
To prevent electric short between cathode and anode
To provide ion diffusion path on battery
Shutdown ion diffusion path when overheat

14. Various separators with different materials

15. Effects of electrolytes
Electrochemical stability
Quality of SEI (Solid electrolyte Interface) film
Affect operation temperature for batteries
Safety of battery

16. 電源的應用模式 —如何選擇（要求）電池
大電流模式 high C-rate discharge mode: 電動車，電動工具，模型飛機，模型汽車。
中電流放電模式： GSM 模式，數位相機，MP3 (with HD), Video player, PHS, PDA，NoteBook PC,電子字典
小電流放電模式：藍牙耳機，MP3 (with CF)

17. 電源的應用模式—GSM 放電模式

18. 電源的應用模式—各種放電模式比較

19. 電源的應用模式—GSM 放電模式

20. 電源的應用模式 —溫度影響GSM 放電模式

21. charge curve of EXA AL501430A (150mAh)

22. Discharge curve of EXA AL501430A (150mAh)

23. AL501430A (150mAh) cycle life

24. AL501430A (150mAh) charge capacity on different temperature

25. Discharge curve on different temperature of Merry EXA AL501430A (150mAh)

26. Discharge capacity of Merry EXA AL501430A (150mAh) on various temperature

27. AL501430A (150mAh) UL_1642 safety test
Pass UL_1642 test

28. Pass AL501430A (150mAh) Overcharge test
Battery No.
Initial Thickness A1
(mm)
Final
Thickness A2
Thisckness change (mm)
Max.
Temp.(℃)
Note
AL501430A#01
3.84
3.91
0.07
27.6
2C,5V
AL501430A#02
3.89
0.05
28.0
AL501430A#03
3.85
4.95
1.10
31.0
AL501430A#04
3.86
5.17
1.31
AL501430A#05
3.87
5.73
1.86
29.1
AL501430A#06
16.75
12.89
103.6
2C,6V
AL501430A#07
3.88
18.16
14.28
113.1
AL501430A#08
18.36
14.50
113.2
AL501430A#09
3.9
18.04
14.14
112.4
AL501430A#10
18.29
14.44
110.5

29. AL501430A Capacity distribution

30. AL421430A ACR Distribution

31. Product Specification
Cell Model
Nominal
Voltage v)
Rated
Capacity
(mAh)
Dimension (mm)
Weight
approx.
(g)
Gravimetric
Density
(Wh/kg)
Volumetric
(Wh/L) T W H
AL421430
3.7
120
4.2 14 30
3.0
148
250
AL501430
150
5.0
3.5
155
260
AL402030
180
4.0 20
275
AL502030
230
5.4
280
NEW
AL401836 18 36
5.2
320
AL402050
400 50 8
185
370

32. Product Specification
Cell Model
Nominal
Voltage
(v)
Rated
Capacity
(mAh)
Dimension (mm)
Weight
approx.
(g)
Gravimetric
Density
(Wh/kg)
Volumetric
(Wh/L) T W H
NEW
AL402060
3.7
430
4.0 20 60 10
150
320
AL364850
940
3.6 48 50 18
190
400
AL553436
600
5.5 34 36 12
175
315
AL501430
670
3.8 56 15
165
340
AL383562
700 35 62 16
160
AL503759
1050
5.0 37 59 22
350
AL425059
1200
4.2 25

33. Product Roadmap Model 2004 2005 2006 Q1~3 Q4 AL553436 600 700 750
670
800
850
900
AL383450
740
AL503759
1050
1300
1350
1400
AL425059
1200
AL421430
120
130
135
170
155
160
AL402030
180
185
190
AL502030
230
240
250
AL401836
Capacity measuring conditions : charge ( CC/CV : 0.2C/4.2V, 0.05C ) discharge ( 0.2C/E.V = 2.75V )
This information contained herein may be changed without prior notice.

34. High Power Density LPB

35. High Power Density LPB

36. High Power Density LPB

37. Working Voltage Windows of LPB
Battery Usable Area
2.5V
4.35V
Voltage forbidden area
Voltage warning area

38. THE END
Thank You For Your Attention!